Pomona (Wilton Heights) CA, US: 34.0667, -117.7506
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 21, 2021, 3 p.m. | 109.5 ppb (103) | 64.7 ppb (63) | N/A | 45.0 ppb (43) | N/A | N/A | 6.0 ppb (6) | 0.97 ppb (12) | N/A | N/A | 103.0 | |
| Sept. 21, 2021, 2 p.m. | 94.2 ppb (94) | 60.8 ppb (59) | N/A | 33.0 ppb (32) | N/A | N/A | 3.0 ppb (3) | 1.0 ppb (12) | N/A | N/A | 94.0 | |
| Sept. 21, 2021, 1 p.m. | 61.5 ppb (59) | 33.5 ppb (32) | N/A | 28.0 ppb (27) | N/A | N/A | 1.0 ppb (1) | 0.68 ppb (8) | N/A | N/A | 59.0 | |
| Sept. 21, 2021, noon | 55.3 ppb (53) | 26.6 ppb (26) | N/A | 29.0 ppb (28) | N/A | N/A | 1.0 ppb (1) | 0.6 ppb (7) | N/A | N/A | 53.0 | |
| Sept. 21, 2021, 11 a.m. | 40.7 ppb (39) | 11.3 ppb (11) | N/A | 29.0 ppb (28) | N/A | N/A | 1.0 ppb (1) | 0.46 ppb (6) | N/A | N/A | 39.0 | |
| Sept. 21, 2021, 10 a.m. | 35.5 ppb (34) | 7.1 ppb (7) | N/A | 28.0 ppb (27) | N/A | N/A | 3.0 ppb (3) | 0.41 ppb (5) | N/A | N/A | 34.0 | |
| Sept. 21, 2021, 9 a.m. | 44.6 ppb (43) | 11.1 ppb (11) | N/A | 34.0 ppb (33) | N/A | N/A | 2.0 ppb (2) | 0.42 ppb (5) | N/A | N/A | 43.0 | |
| Sept. 21, 2021, 8 a.m. | 34.4 ppb (33) | 5.5 ppb (6) | N/A | 29.0 ppb (28) | N/A | N/A | 4.0 ppb (4) | 0.4 ppb (5) | N/A | N/A | 33.0 | |
| Sept. 21, 2021, 7 a.m. | 35.3 ppb (34) | 4.5 ppb (5) | N/A | 31.0 ppb (30) | N/A | N/A | 5.0 ppb (5) | 0.43 ppb (5) | N/A | N/A | 34.0 | |
| Sept. 21, 2021, 6 a.m. | 32.3 ppb (31) | 4.0 ppb (4) | N/A | 28.0 ppb (27) | N/A | N/A | 9.0 ppb (9) | 0.42 ppb (5) | N/A | N/A | 31.0 | |
| Sept. 21, 2021, 5 a.m. | 19.3 ppb (19) | 1.8 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 22.0 ppb (21) | 0.34 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 21, 2021, 4 a.m. | 21.8 ppb (21) | 2.3 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | 23.0 ppb (22) | 0.34 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 21, 2021, 3 a.m. | 17.5 ppb (17) | 1.8 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | 30.0 ppb (28) | 0.31 ppb (4) | N/A | N/A | 28.0 | |
| Sept. 21, 2021, 2 a.m. | 17.9 ppb (17) | 2.2 ppb (3) | N/A | 16.0 ppb (16) | N/A | N/A | 39.0 ppb (37) | 0.32 ppb (4) | N/A | N/A | 37.0 | |
| Sept. 21, 2021, 1 a.m. | 15.8 ppb (15) | 1.8 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 53.0 ppb (50) | 0.32 ppb (4) | N/A | N/A | 50.0 | |
| Sept. 21, 2021, midnight | 15.4 ppb (15) | 2.1 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 68.0 ppb (94) | 0.32 ppb (4) | N/A | N/A | 94.0 | |
| Sept. 20, 2021, 11 p.m. | 12.3 ppb (12) | 1.5 ppb (2) | N/A | 11.0 ppb (11) | N/A | N/A | 90.0 ppb (112) | 0.35 ppb (4) | N/A | N/A | 112.0 | |
| Sept. 20, 2021, 10 p.m. | 13.4 ppb (13) | 1.9 ppb (2) | N/A | 11.0 ppb (11) | N/A | N/A | 89.0 ppb (111) | 0.36 ppb (5) | N/A | N/A | 111.0 | |
| Sept. 20, 2021, 9 p.m. | 15.7 ppb (15) | 2.8 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 83.0 ppb (108) | 0.38 ppb (5) | N/A | N/A | 108.0 | |
| Sept. 20, 2021, 8 p.m. | 17.0 ppb (17) | 2.7 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | 78.0 ppb (105) | 0.4 ppb (5) | N/A | N/A | 105.0 | |
| Sept. 20, 2021, 7 p.m. | 20.8 ppb (20) | 4.3 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | 58.0 ppb (61) | 0.43 ppb (5) | N/A | N/A | 61.0 | |
| Sept. 20, 2021, 6 p.m. | 27.8 ppb (27) | 6.2 ppb (6) | N/A | 22.0 ppb (21) | N/A | N/A | 49.0 ppb (46) | 0.43 ppb (5) | N/A | N/A | 46.0 | |
| Sept. 20, 2021, 5 p.m. | 29.2 ppb (28) | 7.4 ppb (7) | N/A | 22.0 ppb (21) | N/A | N/A | 42.0 ppb (39) | 0.42 ppb (5) | N/A | N/A | 39.0 | |
| Sept. 20, 2021, 4 p.m. | 60.6 ppb (59) | 25.2 ppb (24) | N/A | 35.0 ppb (34) | N/A | N/A | 17.0 ppb (16) | 0.65 ppb (8) | N/A | N/A | 59.0 | |
| Sept. 20, 2021, 3 p.m. | 81.7 ppb (81) | 44.4 ppb (42) | N/A | 37.0 ppb (35) | N/A | N/A | 6.0 ppb (6) | 0.89 ppb (11) | N/A | N/A | 81.0 | |
| Sept. 20, 2021, 2 p.m. | 70.9 ppb (70) | 40.8 ppb (39) | N/A | 30.0 ppb (29) | N/A | N/A | 3.0 ppb (3) | 1.01 ppb (12) | N/A | N/A | 70.0 | |
| Sept. 20, 2021, 1 p.m. | 42.4 ppb (40) | 13.4 ppb (13) | N/A | 29.0 ppb (28) | N/A | N/A | 1.0 ppb (1) | 0.66 ppb (8) | N/A | N/A | 40.0 | |
| Sept. 20, 2021, noon | 39.7 ppb (38) | 11.2 ppb (11) | N/A | 29.0 ppb (28) | N/A | N/A | 1.0 ppb (1) | 0.61 ppb (7) | N/A | N/A | 38.0 | |
| Sept. 20, 2021, 11 a.m. | 40.6 ppb (39) | 10.2 ppb (10) | N/A | 30.0 ppb (29) | N/A | N/A | 2.0 ppb (2) | 0.54 ppb (6) | N/A | N/A | 39.0 | |
| Sept. 20, 2021, 10 a.m. | 37.9 ppb (36) | 7.4 ppb (7) | N/A | 30.0 ppb (29) | N/A | N/A | 3.0 ppb (3) | 0.51 ppb (6) | N/A | N/A | 36.0 | |
| Sept. 20, 2021, 9 a.m. | 30.9 ppb (30) | 3.4 ppb (4) | N/A | 28.0 ppb (27) | N/A | N/A | 7.0 ppb (7) | 0.51 ppb (6) | N/A | N/A | 30.0 | |
| Sept. 20, 2021, 8 a.m. | 27.9 ppb (27) | 2.7 ppb (3) | N/A | 25.0 ppb (24) | N/A | N/A | 10.0 ppb (10) | 0.52 ppb (6) | N/A | N/A | 27.0 | |
| Sept. 20, 2021, 7 a.m. | 22.1 ppb (21) | 2.2 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 19.0 ppb (18) | 0.46 ppb (6) | N/A | N/A | 21.0 | |
| Sept. 20, 2021, 6 a.m. | 23.5 ppb (23) | 3.0 ppb (3) | N/A | 21.0 ppb (20) | N/A | N/A | 19.0 ppb (18) | 0.52 ppb (6) | N/A | N/A | 23.0 | |
| Sept. 20, 2021, 5 a.m. | 17.2 ppb (17) | 2.5 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | 31.0 ppb (29) | 0.34 ppb (4) | N/A | N/A | 29.0 | |
| Sept. 20, 2021, 4 a.m. | 14.9 ppb (15) | 1.7 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 37.0 ppb (35) | 0.33 ppb (4) | N/A | N/A | 35.0 | |
| Sept. 20, 2021, 3 a.m. | 15.8 ppb (15) | 2.2 ppb (3) | N/A | 14.0 ppb (14) | N/A | N/A | 42.0 ppb (39) | 0.33 ppb (4) | N/A | N/A | 39.0 | |
| Sept. 20, 2021, 2 a.m. | 13.7 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 50.0 ppb (47) | 0.32 ppb (4) | N/A | N/A | 47.0 | |
| Sept. 20, 2021, 1 a.m. | 11.1 ppb (11) | 1.3 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | 65.0 ppb (84) | 0.27 ppb (4) | N/A | N/A | 84.0 | |
| Sept. 20, 2021, midnight | 10.8 ppb (11) | 1.5 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 75.0 ppb (104) | 0.29 ppb (4) | N/A | N/A | 104.0 | |
| Sept. 19, 2021, 11 p.m. | 8.8 ppb (9) | 1.4 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 81.0 ppb (107) | 0.27 ppb (4) | N/A | N/A | 107.0 | |
| Sept. 19, 2021, 10 p.m. | 8.8 ppb (9) | 1.4 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 79.0 ppb (106) | 0.28 ppb (4) | N/A | N/A | 106.0 | |
| Sept. 19, 2021, 9 p.m. | 7.3 ppb (7) | 1.6 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 71.0 ppb (101) | 0.23 ppb (3) | N/A | N/A | 101.0 | |
| Sept. 19, 2021, 8 p.m. | 7.5 ppb (8) | 1.5 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 65.0 ppb (84) | 0.22 ppb (3) | N/A | N/A | 84.0 | |
| Sept. 19, 2021, 7 p.m. | 8.7 ppb (9) | 1.9 ppb (2) | N/A | 7.0 ppb (7) | N/A | N/A | 59.0 ppb (65) | 0.25 ppb (3) | N/A | N/A | 65.0 | |
| Sept. 19, 2021, 6 p.m. | 11.1 ppb (11) | 2.7 ppb (3) | N/A | 8.0 ppb (8) | N/A | N/A | 51.0 ppb (48) | 0.3 ppb (4) | N/A | N/A | 48.0 | |
| Sept. 19, 2021, 5 p.m. | 12.1 ppb (12) | 3.4 ppb (4) | N/A | 9.0 ppb (9) | N/A | N/A | 43.0 ppb (40) | 0.28 ppb (4) | N/A | N/A | 40.0 | |
| Sept. 19, 2021, 4 p.m. | 20.0 ppb (19) | 7.1 ppb (7) | N/A | 13.0 ppb (13) | N/A | N/A | 26.0 ppb (25) | 0.44 ppb (5) | N/A | N/A | 25.0 | |
| Sept. 19, 2021, 3 p.m. | 25.7 ppb (25) | 10.0 ppb (10) | N/A | 16.0 ppb (16) | N/A | N/A | 16.0 ppb (15) | 0.49 ppb (6) | N/A | N/A | 25.0 | |
| Sept. 19, 2021, 2 p.m. | 35.4 ppb (34) | 15.1 ppb (15) | N/A | 20.0 ppb (19) | N/A | N/A | 6.0 ppb (6) | 0.55 ppb (7) | N/A | N/A | 34.0 | |
| Sept. 19, 2021, 1 p.m. | 29.7 ppb (29) | 8.1 ppb (8) | N/A | 22.0 ppb (21) | N/A | N/A | 3.0 ppb (3) | 0.51 ppb (6) | N/A | N/A | 29.0 | |
| Sept. 19, 2021, noon | 25.4 ppb (24) | 4.2 ppb (4) | N/A | 21.0 ppb (20) | N/A | N/A | 4.0 ppb (4) | 0.46 ppb (6) | N/A | N/A | 24.0 | |
| Sept. 19, 2021, 11 a.m. | 24.6 ppb (24) | 4.1 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | 4.0 ppb (4) | 0.45 ppb (6) | N/A | N/A | 24.0 | |
| Sept. 19, 2021, 10 a.m. | 26.5 ppb (25) | 4.9 ppb (5) | N/A | 22.0 ppb (21) | N/A | N/A | 3.0 ppb (3) | 0.48 ppb (6) | N/A | N/A | 25.0 | |
| Sept. 19, 2021, 9 a.m. | 24.1 ppb (23) | 3.8 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | 7.0 ppb (7) | 0.44 ppb (5) | N/A | N/A | 23.0 | |
| Sept. 19, 2021, 8 a.m. | 20.8 ppb (20) | 2.8 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 13.0 ppb (13) | 0.46 ppb (6) | N/A | N/A | 20.0 | |
| Sept. 19, 2021, 7 a.m. | 22.1 ppb (21) | 2.9 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | 15.0 ppb (14) | 0.49 ppb (6) | N/A | N/A | 21.0 | |
| Sept. 19, 2021, 6 a.m. | 21.5 ppb (21) | 5.0 ppb (5) | N/A | 16.0 ppb (16) | N/A | N/A | 20.0 ppb (19) | 0.46 ppb (6) | N/A | N/A | 21.0 | |
| Sept. 19, 2021, 5 a.m. | 15.7 ppb (15) | 2.6 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 27.0 ppb (25) | 0.38 ppb (5) | N/A | N/A | 25.0 | |
| Sept. 19, 2021, 4 a.m. | 14.4 ppb (14) | 1.8 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 29.0 ppb (27) | 0.33 ppb (4) | N/A | N/A | 27.0 | |
| Sept. 19, 2021, 3 a.m. | 16.0 ppb (16) | 1.6 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 30.0 ppb (28) | 0.3 ppb (4) | N/A | N/A | 28.0 | |
| Sept. 19, 2021, 2 a.m. | 16.1 ppb (16) | 1.9 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 33.0 ppb (31) | 0.33 ppb (4) | N/A | N/A | 31.0 | |
| Sept. 19, 2021, 1 a.m. | 13.9 ppb (14) | 1.9 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 50.0 ppb (47) | 0.31 ppb (4) | N/A | N/A | 47.0 | |
| Sept. 19, 2021, midnight | 10.5 ppb (10) | 1.5 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 65.0 ppb (84) | 0.27 ppb (4) | N/A | N/A | 84.0 | |
| Sept. 18, 2021, 11 p.m. | 10.9 ppb (11) | 1.8 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 74.0 ppb (103) | 0.29 ppb (4) | N/A | N/A | 103.0 | |
| Sept. 18, 2021, 10 p.m. | 9.7 ppb (10) | 1.7 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 78.0 ppb (105) | 0.29 ppb (4) | N/A | N/A | 105.0 | |
| Sept. 18, 2021, 9 p.m. | 10.5 ppb (10) | 1.8 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 74.0 ppb (103) | 0.31 ppb (4) | N/A | N/A | 103.0 | |
| Sept. 18, 2021, 8 p.m. | 11.5 ppb (11) | 2.5 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 65.0 ppb (84) | 0.32 ppb (4) | N/A | N/A | 84.0 | |
| Sept. 18, 2021, 7 p.m. | 11.2 ppb (11) | 2.6 ppb (3) | N/A | 9.0 ppb (9) | N/A | N/A | 55.0 ppb (51) | 0.3 ppb (4) | N/A | N/A | 51.0 | |
| Sept. 18, 2021, 6 p.m. | 13.2 ppb (13) | 3.6 ppb (4) | N/A | 10.0 ppb (10) | N/A | N/A | 45.0 ppb (42) | 0.31 ppb (4) | N/A | N/A | 42.0 | |
| Sept. 18, 2021, 5 p.m. | 16.1 ppb (16) | 5.0 ppb (5) | N/A | 11.0 ppb (11) | N/A | N/A | 37.0 ppb (35) | 0.33 ppb (4) | N/A | N/A | 35.0 | |
| Sept. 18, 2021, 4 p.m. | 18.2 ppb (18) | 6.4 ppb (7) | N/A | 12.0 ppb (12) | N/A | N/A | 31.0 ppb (29) | 0.36 ppb (5) | N/A | N/A | 29.0 | |
| Sept. 18, 2021, 3 p.m. | 16.9 ppb (16) | 5.3 ppb (5) | N/A | 12.0 ppb (12) | N/A | N/A | 28.0 ppb (26) | 0.35 ppb (4) | N/A | N/A | 26.0 | |
| Sept. 18, 2021, 2 p.m. | 26.7 ppb (26) | 7.8 ppb (8) | N/A | 19.0 ppb (18) | N/A | N/A | 14.0 ppb (13) | 0.45 ppb (6) | N/A | N/A | 26.0 | |
| Sept. 18, 2021, 1 p.m. | 18.9 ppb (18) | 3.3 ppb (4) | N/A | 16.0 ppb (16) | N/A | N/A | 15.0 ppb (14) | 0.37 ppb (5) | N/A | N/A | 18.0 | |
| Sept. 18, 2021, noon | 14.4 ppb (14) | 2.2 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 20.0 ppb (19) | 0.31 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 18, 2021, 11 a.m. | 16.6 ppb (16) | 2.1 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 18.0 ppb (17) | 0.38 ppb (5) | N/A | N/A | 17.0 | |
| Sept. 18, 2021, 10 a.m. | 17.8 ppb (17) | 2.0 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | 17.0 ppb (16) | 0.33 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 18, 2021, 9 a.m. | 18.6 ppb (18) | 2.1 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | 18.0 ppb (17) | 0.34 ppb (4) | N/A | N/A | 18.0 | |
| Sept. 18, 2021, 8 a.m. | 18.0 ppb (17) | 1.9 ppb (2) | N/A | 16.0 ppb (16) | N/A | N/A | 20.0 ppb (19) | 0.34 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 18, 2021, 7 a.m. | 15.2 ppb (15) | 1.6 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 23.0 ppb (22) | 0.29 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 18, 2021, 6 a.m. | 13.3 ppb (13) | 1.8 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 27.0 ppb (25) | 0.27 ppb (4) | N/A | N/A | 25.0 | |
| Sept. 18, 2021, 5 a.m. | 13.3 ppb (13) | 2.1 ppb (2) | N/A | 11.0 ppb (11) | N/A | N/A | 30.0 ppb (28) | 0.26 ppb (4) | N/A | N/A | 28.0 | |
| Sept. 18, 2021, 4 a.m. | 11.8 ppb (12) | 1.6 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | 34.0 ppb (32) | 0.24 ppb (3) | N/A | N/A | 32.0 | |
| Sept. 18, 2021, 3 a.m. | 13.8 ppb (14) | 2.0 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 36.0 ppb (34) | 0.25 ppb (3) | N/A | N/A | 34.0 | |
| Sept. 18, 2021, 2 a.m. | 16.0 ppb (16) | 2.0 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 40.0 ppb (38) | 0.27 ppb (4) | N/A | N/A | 38.0 | |
| Sept. 18, 2021, 1 a.m. | 15.4 ppb (15) | 1.8 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 51.0 ppb (48) | 0.28 ppb (4) | N/A | N/A | 48.0 | |
| Sept. 18, 2021, midnight | 12.6 ppb (12) | 2.1 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | 66.0 ppb (87) | 0.26 ppb (4) | N/A | N/A | 87.0 | |
| Sept. 17, 2021, 11 p.m. | 9.7 ppb (10) | 1.6 ppb (2) | N/A | 8.0 ppb (8) | N/A | N/A | 78.0 ppb (105) | 0.27 ppb (4) | N/A | N/A | 105.0 | |
| Sept. 17, 2021, 10 p.m. | 11.0 ppb (11) | 2.0 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 83.0 ppb (108) | 0.29 ppb (4) | N/A | N/A | 108.0 | |
| Sept. 17, 2021, 9 p.m. | 12.9 ppb (13) | 2.0 ppb (2) | N/A | 11.0 ppb (11) | N/A | N/A | 77.0 ppb (105) | 0.35 ppb (4) | N/A | N/A | 105.0 | |
| Sept. 17, 2021, 8 p.m. | 13.2 ppb (13) | 2.5 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 69.0 ppb (97) | 0.34 ppb (4) | N/A | N/A | 97.0 | |
| Sept. 17, 2021, 7 p.m. | 13.3 ppb (13) | 2.9 ppb (3) | N/A | 10.0 ppb (10) | N/A | N/A | 60.0 ppb (68) | 0.3 ppb (4) | N/A | N/A | 68.0 | |
| Sept. 17, 2021, 6 p.m. | 19.1 ppb (19) | 5.3 ppb (5) | N/A | 14.0 ppb (14) | N/A | N/A | 44.0 ppb (41) | 0.34 ppb (4) | N/A | N/A | 41.0 | |
| Sept. 17, 2021, 5 p.m. | 19.1 ppb (19) | 5.8 ppb (6) | N/A | 13.0 ppb (13) | N/A | N/A | 35.0 ppb (33) | 0.33 ppb (4) | N/A | N/A | 33.0 | |
| Sept. 17, 2021, 4 p.m. | 20.2 ppb (20) | 6.6 ppb (7) | N/A | 14.0 ppb (14) | N/A | N/A | 28.0 ppb (26) | 0.34 ppb (4) | N/A | N/A | 26.0 | |
| Sept. 17, 2021, 3 p.m. | 19.8 ppb (19) | 5.4 ppb (6) | N/A | 14.0 ppb (14) | N/A | N/A | 21.0 ppb (20) | 0.4 ppb (5) | N/A | N/A | 20.0 | |
| Sept. 17, 2021, 2 p.m. | 21.8 ppb (21) | 4.9 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | 17.0 ppb (16) | 0.4 ppb (5) | N/A | N/A | 21.0 | |
| Sept. 17, 2021, 1 p.m. | 19.7 ppb (19) | 2.8 ppb (3) | N/A | 17.0 ppb (17) | N/A | N/A | 17.0 ppb (16) | 0.38 ppb (5) | N/A | N/A | 19.0 | |
| Sept. 17, 2021, noon | 18.1 ppb (18) | 3.5 ppb (4) | N/A | 15.0 ppb (15) | N/A | N/A | 19.0 ppb (18) | 0.34 ppb (4) | N/A | N/A | 18.0 | |
| Sept. 17, 2021, 11 a.m. | 20.0 ppb (19) | 2.7 ppb (3) | N/A | 17.0 ppb (17) | N/A | N/A | 16.0 ppb (15) | 0.32 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 17, 2021, 10 a.m. | 25.5 ppb (25) | 2.9 ppb (3) | N/A | 23.0 ppb (22) | N/A | N/A | 9.0 ppb (9) | 0.36 ppb (5) | N/A | N/A | 25.0 | |
| Sept. 17, 2021, 9 a.m. | 22.6 ppb (22) | 2.7 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 13.0 ppb (13) | 0.36 ppb (5) | N/A | N/A | 22.0 | |
| Sept. 17, 2021, 8 a.m. | 19.4 ppb (19) | 2.6 ppb (3) | N/A | 17.0 ppb (17) | N/A | N/A | 17.0 ppb (16) | 0.34 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 17, 2021, 7 a.m. | 26.6 ppb (26) | 2.6 ppb (3) | N/A | 24.0 ppb (23) | N/A | N/A | 16.0 ppb (15) | 0.4 ppb (5) | N/A | N/A | 26.0 | |
| Sept. 17, 2021, 6 a.m. | 27.9 ppb (27) | 2.8 ppb (3) | N/A | 25.0 ppb (24) | N/A | N/A | 15.0 ppb (14) | 0.41 ppb (5) | N/A | N/A | 27.0 | |
| Sept. 17, 2021, 5 a.m. | 22.3 ppb (22) | 2.3 ppb (3) | N/A | 20.0 ppb (19) | N/A | N/A | 23.0 ppb (22) | 0.37 ppb (5) | N/A | N/A | 22.0 | |
| Sept. 17, 2021, 4 a.m. | 23.9 ppb (23) | 2.0 ppb (2) | N/A | 22.0 ppb (21) | N/A | N/A | 25.0 ppb (24) | 0.33 ppb (4) | N/A | N/A | 24.0 | |
| Sept. 17, 2021, 3 a.m. | 20.3 ppb (20) | 2.2 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 32.0 ppb (30) | 0.34 ppb (4) | N/A | N/A | 30.0 | |
| Sept. 17, 2021, 2 a.m. | 18.5 ppb (18) | 1.8 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 44.0 ppb (41) | 0.33 ppb (4) | N/A | N/A | 41.0 | |
| Sept. 17, 2021, 1 a.m. | 15.5 ppb (15) | 1.9 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 54.0 ppb (50) | 0.3 ppb (4) | N/A | N/A | 50.0 | |
| Sept. 17, 2021, midnight | 15.5 ppb (15) | 2.4 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 64.0 ppb (81) | 0.28 ppb (4) | N/A | N/A | 81.0 | |
| Sept. 16, 2021, 11 p.m. | 17.4 ppb (17) | 2.8 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | 66.0 ppb (87) | 0.3 ppb (4) | N/A | N/A | 87.0 | |
| Sept. 16, 2021, 10 p.m. | 14.3 ppb (14) | 2.0 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 81.0 ppb (107) | 0.32 ppb (4) | N/A | N/A | 107.0 | |
| Sept. 16, 2021, 9 p.m. | 12.2 ppb (12) | 1.9 ppb (2) | N/A | 10.0 ppb (10) | N/A | N/A | 85.0 ppb (109) | 0.32 ppb (4) | N/A | N/A | 109.0 | |
| Sept. 16, 2021, 8 p.m. | 14.6 ppb (14) | 2.5 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 69.0 ppb (97) | 0.33 ppb (4) | N/A | N/A | 97.0 | |
| Sept. 16, 2021, 7 p.m. | 18.6 ppb (18) | 3.7 ppb (4) | N/A | 15.0 ppb (15) | N/A | N/A | 57.0 ppb (58) | 0.36 ppb (5) | N/A | N/A | 58.0 | |
| Sept. 16, 2021, 6 p.m. | 19.3 ppb (19) | 4.3 ppb (5) | N/A | 15.0 ppb (15) | N/A | N/A | 51.0 ppb (48) | 0.39 ppb (5) | N/A | N/A | 48.0 | |
| Sept. 16, 2021, 5 p.m. | 20.1 ppb (19) | 5.7 ppb (6) | N/A | 14.0 ppb (14) | N/A | N/A | 37.0 ppb (35) | 0.38 ppb (5) | N/A | N/A | 35.0 | |
| Sept. 16, 2021, 4 p.m. | 22.1 ppb (21) | 7.3 ppb (7) | N/A | 15.0 ppb (15) | N/A | N/A | 26.0 ppb (25) | 0.41 ppb (5) | N/A | N/A | 25.0 | |
| Sept. 16, 2021, 3 p.m. | 21.4 ppb (21) | 4.9 ppb (5) | N/A | 17.0 ppb (17) | N/A | N/A | 20.0 ppb (19) | 0.38 ppb (5) | N/A | N/A | 21.0 | |
| Sept. 16, 2021, 2 p.m. | 19.5 ppb (19) | 4.0 ppb (4) | N/A | 15.0 ppb (15) | N/A | N/A | 19.0 ppb (18) | 0.35 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 16, 2021, 1 p.m. | 20.1 ppb (19) | 3.4 ppb (4) | N/A | 17.0 ppb (17) | N/A | N/A | 16.0 ppb (15) | 0.35 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 16, 2021, noon | 18.0 ppb (17) | 2.6 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | 18.0 ppb (17) | 0.33 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 16, 2021, 11 a.m. | 15.9 ppb (15) | 2.0 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 19.0 ppb (18) | 0.3 ppb (4) | N/A | N/A | 18.0 | |
| Sept. 16, 2021, 10 a.m. | 15.2 ppb (15) | 1.9 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 20.0 ppb (19) | 0.32 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 16, 2021, 9 a.m. | 17.0 ppb (17) | 2.1 ppb (2) | N/A | 15.0 ppb (15) | N/A | N/A | 18.0 ppb (17) | 0.32 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 16, 2021, 8 a.m. | 18.0 ppb (17) | 2.6 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | 18.0 ppb (17) | 0.33 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 16, 2021, 7 a.m. | 21.6 ppb (21) | 2.3 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | 21.0 ppb (20) | 0.38 ppb (5) | N/A | N/A | 21.0 | |
| Sept. 16, 2021, 6 a.m. | 20.5 ppb (20) | 2.3 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 24.0 ppb (23) | 0.39 ppb (5) | N/A | N/A | 23.0 | |
| Sept. 16, 2021, 5 a.m. | 18.7 ppb (18) | 1.6 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 31.0 ppb (29) | 0.35 ppb (4) | N/A | N/A | 29.0 | |
| Sept. 16, 2021, 4 a.m. | 20.6 ppb (20) | 1.8 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | 32.0 ppb (30) | 0.37 ppb (5) | N/A | N/A | 30.0 | |
| Sept. 16, 2021, 3 a.m. | 19.8 ppb (19) | 2.1 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | 37.0 ppb (35) | 0.33 ppb (4) | N/A | N/A | 35.0 | |
| Sept. 16, 2021, 2 a.m. | 23.3 ppb (22) | 2.5 ppb (3) | N/A | 21.0 ppb (20) | N/A | N/A | 42.0 ppb (39) | 0.39 ppb (5) | N/A | N/A | 39.0 | |
| Sept. 16, 2021, 1 a.m. | 18.4 ppb (18) | 1.7 ppb (2) | N/A | 17.0 ppb (17) | N/A | N/A | 65.0 ppb (84) | 0.34 ppb (4) | N/A | N/A | 84.0 | |
| Sept. 16, 2021, midnight | 15.1 ppb (15) | 1.9 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 81.0 ppb (107) | 0.33 ppb (4) | N/A | N/A | 107.0 | |
| Sept. 15, 2021, 11 p.m. | 18.2 ppb (18) | 2.8 ppb (3) | N/A | 15.0 ppb (15) | N/A | N/A | 70.0 ppb (100) | 0.3 ppb (4) | N/A | N/A | 100.0 | |
| Sept. 15, 2021, 10 p.m. | 20.6 ppb (20) | 3.3 ppb (4) | N/A | 17.0 ppb (17) | N/A | N/A | 71.0 ppb (101) | 0.35 ppb (4) | N/A | N/A | 101.0 | |
| Sept. 15, 2021, 9 p.m. | 15.8 ppb (15) | 2.6 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 81.0 ppb (107) | 0.37 ppb (5) | N/A | N/A | 107.0 | |
| Sept. 15, 2021, 8 p.m. | 15.0 ppb (15) | 2.7 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 72.0 ppb (102) | 0.35 ppb (4) | N/A | N/A | 102.0 | |
| Sept. 15, 2021, 7 p.m. | 17.0 ppb (17) | 4.0 ppb (4) | N/A | 13.0 ppb (13) | N/A | N/A | 61.0 ppb (71) | 0.33 ppb (4) | N/A | N/A | 71.0 | |
| Sept. 15, 2021, 6 p.m. | 22.7 ppb (22) | 6.2 ppb (6) | N/A | 17.0 ppb (17) | N/A | N/A | 44.0 ppb (41) | 0.37 ppb (5) | N/A | N/A | 41.0 | |
| Sept. 15, 2021, 5 p.m. | 30.8 ppb (30) | 11.0 ppb (11) | N/A | 20.0 ppb (19) | N/A | N/A | 27.0 ppb (25) | 0.45 ppb (6) | N/A | N/A | 30.0 | |
| Sept. 15, 2021, 4 p.m. | 36.3 ppb (35) | 15.7 ppb (15) | N/A | 21.0 ppb (20) | N/A | N/A | 18.0 ppb (17) | 0.46 ppb (6) | N/A | N/A | 35.0 | |
| Sept. 15, 2021, 3 p.m. | 34.7 ppb (33) | 15.7 ppb (15) | N/A | 19.0 ppb (18) | N/A | N/A | 13.0 ppb (13) | 0.5 ppb (6) | N/A | N/A | 33.0 | |
| Sept. 15, 2021, 2 p.m. | 29.3 ppb (28) | 9.7 ppb (10) | N/A | 20.0 ppb (19) | N/A | N/A | 8.0 ppb (8) | 0.42 ppb (5) | N/A | N/A | 28.0 | |
| Sept. 15, 2021, 1 p.m. | 27.0 ppb (26) | 5.5 ppb (6) | N/A | 21.0 ppb (20) | N/A | N/A | 5.0 ppb (5) | 0.4 ppb (5) | N/A | N/A | 26.0 | |
| Sept. 15, 2021, noon | 23.8 ppb (23) | 5.0 ppb (5) | N/A | 19.0 ppb (18) | N/A | N/A | 7.0 ppb (7) | 0.37 ppb (5) | N/A | N/A | 23.0 | |
| Sept. 15, 2021, 11 a.m. | 21.7 ppb (21) | 3.0 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | 6.0 ppb (6) | 0.3 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 15, 2021, 10 a.m. | 19.5 ppb (19) | 2.6 ppb (3) | N/A | 17.0 ppb (17) | N/A | N/A | 8.0 ppb (8) | 0.29 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 15, 2021, 9 a.m. | 21.3 ppb (21) | 2.3 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | 9.0 ppb (9) | 0.31 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 15, 2021, 8 a.m. | 15.9 ppb (15) | 2.1 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 15.0 ppb (14) | 0.28 ppb (4) | N/A | N/A | 15.0 | |
| Sept. 15, 2021, 7 a.m. | 15.9 ppb (15) | 2.1 ppb (2) | N/A | 14.0 ppb (14) | N/A | N/A | 19.0 ppb (18) | 0.29 ppb (4) | N/A | N/A | 18.0 | |
| Sept. 15, 2021, 6 a.m. | 14.2 ppb (14) | 2.0 ppb (2) | N/A | 12.0 ppb (12) | N/A | N/A | 22.0 ppb (21) | 0.29 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 15, 2021, 5 a.m. | 16.8 ppb (16) | 2.1 ppb (2) | N/A | 15.0 ppb (15) | N/A | N/A | 24.0 ppb (23) | 0.28 ppb (4) | N/A | N/A | 23.0 | |
| Sept. 15, 2021, 4 a.m. | 20.9 ppb (20) | 2.6 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 25.0 ppb (24) | 0.28 ppb (4) | N/A | N/A | 24.0 | |
| Sept. 15, 2021, 3 a.m. | 19.2 ppb (19) | 2.6 ppb (3) | N/A | 17.0 ppb (17) | N/A | N/A | 32.0 ppb (30) | 0.28 ppb (4) | N/A | N/A | 30.0 | |
| Sept. 15, 2021, 2 a.m. | 15.4 ppb (15) | 2.0 ppb (2) | N/A | 13.0 ppb (13) | N/A | N/A | 39.0 ppb (37) | 0.26 ppb (4) | N/A | N/A | 37.0 | |
| Sept. 15, 2021, 1 a.m. | 12.9 ppb (13) | 2.2 ppb (3) | N/A | 11.0 ppb (11) | N/A | N/A | 49.0 ppb (46) | 0.24 ppb (3) | N/A | N/A | 46.0 | |
| Sept. 15, 2021, midnight | 11.0 ppb (11) | 2.0 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 59.0 ppb (65) | 0.25 ppb (3) | N/A | N/A | 65.0 | |
| Sept. 14, 2021, 11 p.m. | 11.6 ppb (11) | 2.0 ppb (2) | N/A | 9.0 ppb (9) | N/A | N/A | 71.0 ppb (101) | 0.27 ppb (4) | N/A | N/A | 101.0 | |
| Sept. 14, 2021, 10 p.m. | 14.4 ppb (14) | 2.2 ppb (3) | N/A | 12.0 ppb (12) | N/A | N/A | 87.0 ppb (110) | 0.33 ppb (4) | N/A | N/A | 110.0 | |
| Sept. 14, 2021, 9 p.m. | 15.7 ppb (15) | 2.4 ppb (3) | N/A | 13.0 ppb (13) | N/A | N/A | 82.0 ppb (107) | 0.37 ppb (5) | N/A | N/A | 107.0 | |
| Sept. 14, 2021, 8 p.m. | 25.7 ppb (25) | 4.8 ppb (5) | N/A | 21.0 ppb (20) | N/A | N/A | 64.0 ppb (81) | 0.44 ppb (5) | N/A | N/A | 81.0 | |
| Sept. 14, 2021, 7 p.m. | 27.7 ppb (27) | 6.0 ppb (6) | N/A | 22.0 ppb (21) | N/A | N/A | 56.0 ppb (55) | 0.44 ppb (5) | N/A | N/A | 55.0 | |
| Sept. 14, 2021, 6 p.m. | 35.3 ppb (34) | 9.9 ppb (10) | N/A | 25.0 ppb (24) | N/A | N/A | 41.0 ppb (38) | 0.45 ppb (6) | N/A | N/A | 38.0 | |
| Sept. 14, 2021, 5 p.m. | 50.0 ppb (48) | 18.9 ppb (18) | N/A | 31.0 ppb (30) | N/A | N/A | 25.0 ppb (24) | 0.53 ppb (6) | N/A | N/A | 48.0 | |
| Sept. 14, 2021, 4 p.m. | 59.6 ppb (57) | 27.8 ppb (27) | N/A | 32.0 ppb (31) | N/A | N/A | 15.0 ppb (14) | 0.66 ppb (8) | N/A | N/A | 57.0 |